Martial Arts Books Ideals Samurai. This book is a selection of twelve kakun or yuikai (clan precepts and last statements) from the heads of Japanese warrior houses to their descendants and clan elders. Translated from the original classical Chinese and Japanese, these writings illustrate the guiding principles and ethics of the samurai. Wilson holds a Master's degree in Japanese language and literature. 144 pgs. (ISBN 0-89750-081-4)